. >>> in chicago, first lady michelle obama is attending the funeral of a 15-year-old honor student and band majorette who was killed about a mile from the obamas' family home. hadiya pendleton was shot and killed while she and friends were trying to escape rain by seeking shelter in a children's park. the shooting happened just days after the teenager who always had a smile performed at the president's inauguration. a $40,000 reward is offered for information leading to an arrest. >>> he's considered armed and very violent. in los angeles, police are heading back up to into the air using helicopters to find the ex-cop they accuse of killing three people already. one of them is a police officer who dorner allegedly ambushed. billboards are up all over the place showing christopher dorner's face. he says that he wants revenge on those who unfairly, in his opinion, cost him his job. we're going to show you exclusive video of dorner during his days at the police academy. >>> and police at the grammys will be on guard not only for the safety of celebrities but for their own safety as well.